From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 16 Dec 2016 21:52:39 +0000 (+0200)
Subject: Remove useless declarations of main() from shaders
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=5c5d094255ae5b0a07f99392a5a099ad9c8e8e38

Remove useless declarations of main() from shaders
---

diff --git a/source/programcompiler.cpp b/source/programcompiler.cpp
index 13b203b4..0d61c685 100644
--- a/source/programcompiler.cpp
+++ b/source/programcompiler.cpp
@@ -1447,7 +1447,7 @@ void ProgramCompiler::UnusedFunctionLocator::visit(FunctionDeclaration &func)
 {
 	TraversingVisitor::visit(func);
 
-	if(func.name!="main" && !used_definitions.count(&func))
+	if((func.name!="main" || func.body.body.empty()) && !used_definitions.count(&func))
 		unused_nodes.insert(&func);
 }